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Finding the Fourth Proportional to 64,399.41, 96,579.44 and 44,536.55

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Solution

The fourth proportional to 64,399.41, 96,579.44 and 44,536.55 is: 66,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.41 : 96,579.44 = 44,536.55 : x
  2. Step 2: Convert to fraction form
    64,399.41/96,579.44 = 44,536.55/x
  3. Step 3: Cross multiply
    64,399.41x = 96,579.44 × 44,536.55
  4. Step 4: Simplify right side
    64,399.41x = 4,301,315,266.95
  5. Step 5: Solve for x
    x = 4,301,315,266.95/64,399.41
  6. Step 6: Final answer
    x = 66,791.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.